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Match the following:
 
[Note: The question gives the state transformation; find the corresponding process picture.]
 
Answer variants:
pressure-cooker-.jpg
ice-1601932_1280.jpg
fog-forest-mountain-thailand_1150-10918.jpg
winter-3880358_1280.jpg
1. Liquid to solid:
2. Melting:
3. Fog in the air:
4. Liquid into vapours: